SIERRA MP39800 4 POSITION IGNITION SWITCH

4 Spade terminals, 4 positions.  Glass filled polyester housing provides corrosion resistance.  Brass back-up nut.  Supplied with 2 brass keys. Overall length 3-1/8", mounting  bushing thread size 13/16"-20 UNF. Accessory position for radio, depth finder or other electronics use when boat is not running.  Rating: 20 Amps. @ 12V DC. Clam packed.